On earth, posture and locomotion are always carried out against the omnipresent force of gravity that accelerates objects downwards toward the earth's surface. The musculature of the body has to exert forces across the joints to keep the body straight so that it does not buckle and fall to the ground.
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Answer:
On earth, posture and locomotion are always carried out against the omnipresent force of gravity that accelerates objects downwards toward the earth's surface. The musculature of the body has to exert forces across the joints to keep the body straight so that it does not buckle and fall to the ground.
Gravity helps to stay in one place firmly it is link magnet that’s it we can move in the air without gravity but it will be a little hard